add support for parsing some shadowsocks links (#3169)

app/subscription/entries/nonnative/definitions/shadowsocks.jsont

@@ -1,23 +1,31 @@
 {{if assertExists . "root_!kind" | not}} Unknown environment {{end}}
-{{if assertIsOneOf . "root_!kind" "json" | not}} This template only works for json input. {{end}}
+{{if assertIsOneOf . "root_!kind" "json" "link" | not}} This template only works for json input. {{end}}
 
-{{ $methodName := tryGet . "root_!json_method_!unquoted" "root_!json_protocol_!unquoted" "root_!json_cipher_!unquoted"}}
+{{ $type := tryGet . "root_!kind"}}
+
+{{ $methodName := tryGet . "root_!json_method_!unquoted" "root_!json_protocol_!unquoted" "root_!json_cipher_!unquoted" "root_!link_userinfo_!value_!rawContent"}}
+{{ if eq $type "link" }}
+    {{ $methodName = splitAndGetNth ":" 0 $methodName}}
+{{end}}
 {{if assertValueIsOneOf $methodName "chacha20-ietf-poly1305" "chacha20-poly1305" "aes-128-gcm" "aes-256-gcm" | not}}
     This template only works for ss. {{end}}
 
-{{ $server_address := tryGet . "root_!json_server" "root_!json_address" "root_!json_endpoint"}}
-{{ $server_port := tryGet . "root_!json_port" "root_!json_server_port" "root_!json_endpoint"}}
-{{if $server_address | splitAndGetAfterNth ":" 0 | len | gt 1}}
-    {{ $server_addressport_unquoted := tryGet . "root_!json_endpoint_!unquoted"}}
-    {{ $server_port = $server_addressport_unquoted | splitAndGetAfterNth ":" -1}}
+{{ $server_address := tryGet . "root_!json_server" "root_!json_address" "root_!json_endpoint" "root_!link_host"}}
+{{ $server_port := tryGet . "root_!json_port" "root_!json_server_port" "root_!json_endpoint" "root_!link_host"}}
+{{if $server_address | splitAndGetAfterNth ":" 0 | len | lt 1}}
+    {{ $server_addressport_unquoted := tryGet . "root_!json_endpoint_!unquoted" "root_!link_host"}}
+    {{ $server_port = $server_addressport_unquoted | splitAndGetNth ":" -1}}
 
     {{ $server_portWithSep := printf ":%v" $server_port}}
     {{ $server_address = $server_addressport_unquoted | stringCutSuffix $server_portWithSep | jsonEncode}}
 {{end}}
 
-{{ $name_annotation := tryGet . "root_!json_name_!unquoted" "root_!json_id_!unquoted" "root_!json_tag_!unquoted" "root_!json_remarks_!unquoted" "<default>"}}
+{{ $name_annotation := tryGet . "root_!json_name_!unquoted" "root_!json_id_!unquoted" "root_!json_tag_!unquoted" "root_!json_remarks_!unquoted" "root_!link_fragment" "<default>"}}
 
-{{$password := tryGet . "root_!json_password" "root_!json_psk"}}
+{{$password := tryGet . "root_!json_password" "root_!json_psk" "root_!link_userinfo_!value_!rawContent"}}
+{{ if eq $type "link" }}
+    {{ $password = splitAndGetNth ":" 1 $password | jsonEncode}}
+{{end}}
 
 {
     "protocol": "shadowsocks",

app/subscription/entries/nonnative/nonnative.go

@@ -53,6 +53,7 @@ func (a *AbstractNonNativeLink) extractValue(content, prefix string) {
 		decoded, err := base64.RawStdEncoding.DecodeString(content)
 		if err == nil {
 			a.Values[prefix+"_!kind"] = "base64"
+			a.Values[prefix+"_!rawContent"] = string(decoded)
 			a.extractValue(string(decoded), prefix+"_!base64")
 			return
 		}
@@ -63,6 +64,7 @@ func (a *AbstractNonNativeLink) extractValue(content, prefix string) {
 		decoded, err := base64.RawURLEncoding.DecodeString(content)
 		if err == nil {
 			a.Values[prefix+"_!kind"] = "base64url"
+			a.Values[prefix+"_!rawContent"] = string(decoded)
 			a.extractValue(string(decoded), prefix+"_!base64")
 			return
 		}
@@ -87,6 +89,7 @@ func (a *AbstractNonNativeLink) extractLink(content *url.URL, prefix string) {
 	a.Values[prefix+"_!link_query"] = content.RawQuery
 	a.Values[prefix+"_!link_fragment"] = content.Fragment
 	a.Values[prefix+"_!link_userinfo"] = content.User.String()
+	a.extractValue(content.User.String(), prefix+"_!link_userinfo_!value")
 	a.Values[prefix+"_!link_opaque"] = content.Opaque
 }